Download Bios 252 Chamberlain Question And Answers 2023 on Human Anatomy and Physiology and more Exams Nursing in PDF only on Docsity!
Answers 2023
Olfactory - Correct Answer ✅ Number: 1 Type: Sensory Function: Sense of Smell Optic - Correct Answer ✅ Number: 2 Type: Sensory Function: Vision Oculomotor - Correct Answer ✅ Number: 3 Type: Motor Function: Raise eyelids, move eyes, regulate the size of pupils, focus of lenses. Troclear - Correct Answer ✅ Number: 4 Type: Motor Function: Eye movements, proprioception Trigeminal - Correct Answer ✅ Number: 5 Type: Mixed Function: Sensations of the head and face, chewing movements, and muscle sense.
Answers 2023
Abducens - Correct Answer ✅ Number: 6 Type: Motor Function: Produce movements of the eyes Facial - Correct Answer ✅ Number: 7 Type: Mixed Function: Facial expressions, secretion of saliva, taste. Vestiulocochlear - Correct Answer ✅ Number: 8 Type: Sensory Function: Balance or equilibrium sense. Hearing. Glossopharyngeal - Correct Answer ✅ Number: 9 Type: Mixed Function: Taste and other sensations of tongue, swallowing, secretion of saliva, aid in reflex control of blood pressure and respiration. Vagus - Correct Answer ✅ Number: 10 Type: Mixed Function: Transmit impulses to muscles associated with speech, swallowing, the heart, smooth muscles of visceral organs in the thorax, and abdomen.
Answers 2023
4 properties of muscle tissue - Correct Answer ✅ contactility, excitability, extensibility, and elasticity Schwann cells - Correct Answer ✅ make myelin in PNS Satelite cells - Correct Answer ✅ surround and provide nutrients for neurons in PNS Astrocytes - Correct Answer ✅ Provide structural and metabolic support for neuron in CNS Oligodendrocytes - Correct Answer ✅ create and wrap axons in a myelin sheath in CNS Microglia - Correct Answer ✅ act as the brains immune system in CNS Ependymal - Correct Answer ✅ lines the central cavities of the brain and spinal cord in CNS types of glial cells in PNS - Correct Answer ✅ schwann and satellite types of cells in CNS - Correct Answer ✅ astrocytes, oligodendrocytes, microglia, and ependymal
Answers 2023
exocrine glands - Correct Answer ✅ secrete chemical substances into ducts that lead either to other organs or out of the body endocrine cells - Correct Answer ✅ hormones pass directly into the bloodstream or tissues of the body for distrubution Receptor - Correct Answer ✅ site of stimulus action sensory neurons - Correct Answer ✅ neurons that carry incoming information from the sensory receptors to the brain and spinal cord Integration Center - Correct Answer ✅ either monosynaptic or polysynaptic region within the CNS Motor Neuron - Correct Answer ✅ a neuron that sends an impulse to a muscle or gland, causing a reaction Effector - Correct Answer ✅ Muscle fiber or gland cell that responds to efferent impulses by contracting or secreting somatic reflexes - Correct Answer ✅ activate skeletal muscle
Answers 2023
Cerebellum function - Correct Answer ✅ Balance and coordination cerebrum function - Correct Answer ✅ thinking, personality, sensations, movements, memory brain stem function - Correct Answer ✅ Connects the brain and spinal cord Synergists - Correct Answer ✅ (helper)- Small muscle that aids prime mover Antagonists - Correct Answer ✅ (against) Muscle that is opposing an action Agonist - Correct Answer ✅ (leader) Primer mover. Muscle that is causing an action dura mater - Correct Answer ✅ -outermost layer -made of tough, white, fiborous connective tissue -contains many blood vessels -attaches to inside of cranial cavity
Answers 2023
arachnoid mater - Correct Answer ✅ -middle layer -thin, web-like membrane -lacks blood vessels -between dura and pia *subarachnoid space: between arachnoid and pia, contains cerebrospinal fluid pia mater - Correct Answer ✅ -innermost layer -thin, contains blood vessels -attached to surface of brain and spinal cord -nourishes brain cells & protects Broca's area - Correct Answer ✅ Controls language expression - an area of the frontal lobe, usually in the left hemisphere, that directs the muscle movements involved in speech. Wernickes area - Correct Answer ✅ it is involved in the understanding of written and spoken language Cerebrospinal fluid (CSF) - Correct Answer ✅ plasma-like clear fluid circulating in and around the brain and spinal cord
Answers 2023
(wheel barrow) Mechanical advantage because the effort is less than the load. Give an example of a class 3 lever - Correct Answer ✅ Bend your arm Load is further away from the pivot than the effort Hypothalamus - Correct Answer ✅ found inferior to the thalamus, has 4 major regions, controls many body activities and is one of the major regulators of homeostasis. Thalamus - Correct Answer ✅ located superior to the midbrain & contains nuclei that serves as relay station for all sensory impulses (EXCEPT SMELL) to the cerebral cortex. Plays role in maintenance of consciousness Epithalamus - Correct Answer ✅ lies superior and posterior to the thalamus and contains the pineal gland. The pineal gland secretes melatonin (what helps us sleep) and habenular nuclei which are involved in olfaction How do the hypothalamus and pituitary gland work together? - Correct Answer ✅ the hormones of the pituitary help regulate functions of
Answers 2023
other endocrine glands. the hypothalamus sends signals to the pituitary to release or inhibit pituitary hormones. Skeletal Muscle Cells - Correct Answer ✅ -Longest type of muscle cell -Length is greater than width -Look like "fibers" in a microscope (muscle cells/muscle fibers) -Multinucleated (more than one nucleus) What is the Fascia? - Correct Answer ✅ the membrane around entire muscle tissue What is a Fascicle? - Correct Answer ✅ a bundle of muscle fibers What is the Sarcolemma? - Correct Answer ✅ the membrane around one muscle fiber What is a Myofibril? - Correct Answer ✅ Many of these units make up a single muscle fiber. These are made up of sarcomeres. Skeletal Muscle Cells consist of two muscle proteins - Correct Answer ✅ Myosin (A bands): Thick and dark protein
Answers 2023
lacrimal gland - Correct Answer ✅ produces tears Pancreas - Correct Answer ✅ insulin and glucagon posterior pituitary - Correct Answer ✅ ADH and oxytocin pineal gland - Correct Answer ✅ secretes melatonin sweat glands - Correct Answer ✅ The glands that secrete sweat, located in the dermal layer of the skin. Sensation - Correct Answer ✅ the conscious or subconscious awareness of changes in the external or internal environment Perception - Correct Answer ✅ the conscious interpretation of sensations performed by the cerebral cortex sensations are called - Correct Answer ✅ sensory modality (touch, pain, vision & hearing) somatic senses - Correct Answer ✅ touch, pressure, temperature, pain
Answers 2023
special senses - Correct Answer ✅ vision, hearing, taste, smell, equilibrium Exteroreceptors - Correct Answer ✅ hearing, vision, smell, taste, pressure, vibration, & pain Interoreceptors - Correct Answer ✅ monitor the body's INTERNAL environment Propioreceptors - Correct Answer ✅ provide information about body position, muscle length, and tension & position and movements of joints. Tactile sensations - Correct Answer ✅ touch, pressure, vibration, itch and tickle first order neuron - Correct Answer ✅ impulses from somatic receptors to the brain stem or spinal cord second order neurons - Correct Answer ✅ impulses from the brain stem and spinal cord to the thalamus
Answers 2023
Crossed-Extensor Reflex - Correct Answer ✅ maintains balance during a withdrawal reflex Sensory - Correct Answer ✅ ascending tracts Motor - Correct Answer ✅ descending tracts Cervical Plexus - Correct Answer ✅ (Anterior Ventral) Supplies the skin and muscles of the head, neck, superior portion of the shoulders and chest, and diaphragm. Brachial Plexus - Correct Answer ✅ (Ventral Rami) Provides almost the entire nerve supply to the shoulders and upper limbs Lumbar Plexus - Correct Answer ✅ (Anterior Ventral) Supplies the skin and muscles of the abdominal wall, external genitalia, and part of the lower limbs Sacral Plexus - Correct Answer ✅ (Anterior Ventral) Supplies the buttocks, perineum, and most of the lower limbs The Spinal Cord starts and ends where? - Correct Answer ✅ starts: medulla oblongata
Answers 2023
ends: L (in newborns ends L3-L4) Growth Hormone (GH) - Correct Answer ✅ regulates the growth of the body Thyroid Stimulating Hormone (TSH) - Correct Answer ✅ stimulates secretion from thyroid gland Follicle-stimulating hormone (FSH) - Correct Answer ✅ secreted by the pituitary gland to stimulate maturation of the egg cell (ovum) luteinizing hormone (LH) - Correct Answer ✅ stimulates ovaries and testes Prolactin (PRL) - Correct Answer ✅ stimulates milk production Adrenocorticotropic hormone (ACTH) - Correct Answer ✅ Stimulates adrenal cortex to secrete glucocorticoids melanocyte-stimulating hormone (MSH) - Correct Answer ✅ affects skin pigmentation
Answers 2023
epinephrine and norepinephrine - Correct Answer ✅ fight-or-flight responses, wakefulness, alertness nervous system releases - Correct Answer ✅ neurotransmitters endrocine system releases - Correct Answer ✅ hormones
