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hesi a2 assessment test with guaranteed success a+ graded 2025 Qs Mitral Valve - n Ans✔ Lies between left ventricle (LV) and left atrium (LA) Qs Chemoreceptor is stimulated by - n Ans✔ increase in CO2 and decrease in arterial pH Qs How many chromosomes at the end of meiosis? - n Ans✔ 23 Qs Elbow has a synovial fluid protecting the - n Ans✔ Hinge joints Qs Common otitis media in the eustachian tube of kids - n Ans✔ because their eustachian tubes are shorter Qs "Master gland" is the - n Ans✔ pituitary Qs What produces oocytes, estrogen, & progesterone? - n Ans✔ ovaries Qs How many days in a menstrual cycle? - n Ans✔ 28 Qs what membrane lines external organs? - n Ans✔ mucous membrane
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Qs Mitral Valve - n Ans✔ Lies between left ventricle (LV) and left atrium (LA) Qs Chemoreceptor is stimulated by - n Ans✔ increase in CO2 and decrease in arterial pH Qs How many chromosomes at the end of meiosis? - n Ans✔ 23 Qs Elbow has a synovial fluid protecting the - n Ans✔ Hinge joints Qs Common otitis media in the eustachian tube of kids - n Ans✔ because their eustachian tubes are shorter
Qs "Master gland" is the - n Ans✔ pituitary Qs What produces oocytes, estrogen, & progesterone? - n Ans✔ ovaries Qs How many days in a menstrual cycle? - n Ans✔ 28 Qs what membrane lines external organs? - n Ans✔ mucous membrane Qs what is breathing controlled by - n Ans✔ medulla oblongata and pons Qs
removing unwanted substances Qs circulatory system - n Ans✔ provides oxygen and nutrients Qs respiratory system - n Ans✔ nose, sinuses, pharynx, larynx, trachea, lungs, etc. Qs nervous system - n Ans✔ CNS and PNS Qs sympathetic - n Ans✔ fight or flight Qs parasympathetic - n Ans✔ normal condition
Qs neuroendocrine system - n Ans✔ thalamus and hypothalamus Qs gastrointestinal system - n Ans✔ processes nutrients Qs urinary system - n Ans✔ kidneys, ureter, bladder, urethra, etc. Qs musculoskeletal system - n Ans✔ bones, tendons, muscles, joints, ligaments, etc. Qs 3 types of skin - n Ans✔ epidermis, dermis, subcutaneous Qs How many bones in skull? - n
Qs Actin - n Ans✔ Protein making up the I Band of the sarcomere Qs Amino Acid - n Ans✔ The building block of proteins Qs Antibody - n Ans✔ Special proteins that protect the body from foreign substances Qs ATP - n Ans✔ Abbreviation for Adenosine triphosphate, which is the energy of the cell. In muscles, this energy causes filaments to slide together to produce contraction. Qs Atria - n Ans✔ Upper chambers of the heart; receives blood
Qs Blood - n Ans✔ Consists of approximately 55% plasma and 45% formed elements (erythrocytes, leukocytes, and platelets). Serves to transport oxygen and nutrients to body cells and to carry away carbon dioxide and metabolic wastes Qs Plasma - n Ans✔ Contains about 10% proteins, ions, nutrients, waste products, and hormones, which are dissolved or suspended in water. Qs Formed Element - n Ans✔ Erythrocytes, leukocytes, and platelets; produced from stem cells in red bone marrow. Qs Tricuspid Valve - n Ans✔ Valve on the right side of the heart between the atrium and ventricle Qs Bicuspid Valve - n Ans✔ Valve on the left side of the heart between the atrium and ventricle
Ans✔ Results in the sliding together of actin and myosin filaments within the muscle cell or fiber Qs Mitosis - n Ans✔ Necessary for growth and repair. The DNA is duplicated and distributed to 2 daughter cells. Qs Meiosis - n Ans✔ Special cell division that takes place in the gonads. Chromosome number is reduced from 46 to 23 so wen the egg and the sperm unite in fertilization the zygote will have the correct number of chromosomes. Qs Skin - n Ans✔ The largest organ in the body. Consists of the epidermis and the dermis. Qs Epidermis - n Ans✔ Outer, most protective layer of dead keratinized epithelial cells. Contain Melanin. Stratum corneum - stratum lucidum - stratum granulosum - stratum germinativum (outer layer to inner).
Qs Dermis - n Ans✔ Underlying layer composed of fibrous connective tissue with blood vessels, nerve endings, and the associated skin structures (hair follicles/glands) Qs Melanin - n Ans✔ Protein pigment that protects against radiation from the sun Qs Eccrine Gland - n Ans✔ Most widely distributed sweat glands that regulate body temperature by releasing a watery secretion that evaporates from the surface of the skin Qs Apocrine Gland - n Ans✔ Sweat gland that produce a secretion containing cytoplasm. Mainly found in the armpit and groin areas. Qs Sebaceous Gland - n Ans✔
Diaphysis - n Ans✔ The shaft composed of compact bone Qs Epiphysis - n Ans✔ End of each bone Qs Axial Skeleton - n Ans✔ Composed of 28 bones of the skull (14 facial bones and 14 bones of the cranium) and 33 bones of the vertebral column (7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 5 sacral vertebrae, and the coccygeal vertebrae) and the bones of the thorx, the sternum and the 12 pairs of ribs Qs Appendicular Skeleton - n Ans✔ Includes the girdles and the limbs. Upper pectoral girdle, the clavicle and the scapula, and the upper extremity, and the bones are the arm and hand. Pelvic Girdle or os coxae, leg, and foot bones. Qs Actin - n Ans✔ Causes muscle contraction by sliding together with myosin filaments.
Qs Sarcoplasmic Reticulum - n Ans✔ Releases calcium for muscles via nervous stimulation from motor neurons Qs Calcium ion - n Ans✔ Attach to inhibitory proteins on the actin filaments within the cell, moving them aside so that cross-bridges can form between actin and myosin filaments. Stored in the Sarcoplasmic reticulum. Qs Neuron - n Ans✔ Nerve cell - the functional units of the nervous system. Consist of a cell body, axon, and dendrite. Qs Peripheral Nervous System - n Ans✔ Consists of all the nerves that transmit information to the CNS. Qs Afferent Neuron - n Ans✔ Sensory neurons that transmit nerve impulses towards the CNS
Qs Spinal Reflex - n Ans✔ Nerve impulses travel through the spinal cord only and do not reach the brain Qs Sensory Reflex - n Ans✔ Enter the dorsal horns of the spinal cord, and motor impulses leave through the ventral horns of the spinal cord. Qs Endocrine System - n Ans✔ Assists the Nervous system in homeostasis and plays important roles in growth and sexual maturation. These two systems meet at the hypothalamus and pituitary gland. Has more long lasting and widespread effects then the Nervous system. Qs Hypothalamus - n Ans✔ Governs the pituitary gland and in turn is controlled by the hormones in the blood. Qs Hormone - n Ans✔
Chemical messengers that control the growth, differentiation, and metabolism of specific target cells. Typically remain at the cell surface and act (via AMP) by altering the rate of protein synthesis (except for in Steroids). Qs Steroid - n Ans✔ Hormone that enters the target cells and have a direct effect on the DNA of the nucleus. Qs Cortisol - n Ans✔ Released from the adrenal cortex during stress; reduces inflammation, raises the blood sugar level, and inhibits the release of histamine. Qs Pituitary Gland - n Ans✔ Nicknamed the "master gland". Attached to the hypothalamus by the infundibulum. Releases tropic hormones from the anterior/adenohypophysis such as STH/GH, ACTH, TSH, FSH, and LH as well as oxytocin, and ADH from the posterior/neurohypophysis. Qs Endocrine Gland - n Ans✔ Main focus is hormone production. Include the Pituitary gland, thyroid, parathyroid, pancreas, adrenals, and gonads. Qs
Abbreviation for adenosine triphosphate, which is the energy of the cell Qs Atria - n Ans✔ Upper chambers of the heart Qs Bile - n Ans✔ Product of the liver that emulsifies fat Qs Cartilage - n Ans✔ Tissues made of cells and fibers that connect and support Qs Ceruminous Gland - n Ans✔ Gland of the ear that produces wax Qs Chromosome - n Ans✔ Bodies within the nucleus made of DNA and proteins called Histones
Qs Cilia - n Ans✔ Small hairlike projections on some cells Qs CNS - n Ans✔ Abbreviation for Central Nervous System, which is made up of the Brain and Spinal Cord Qs Coronal Plane - n Ans✔ Imaginary line passing through the body from head to feet that divides the body into FRONT and BACK portions Qs Cranial Cavity - n Ans✔ Body cavity containing brain Qs Diaphragm - n Ans✔ Dome shaped breathing muscle that seperates the thoracic and abdominal cavities Qs
