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ATI ANATOMY & PHYSIOLOGY EXAM
2025 LATEST REAL QUESTIONS AND
CORRECT ANSWERS GRADE A
Which part of the brain regulates hear rate, respiratory rate and BP? - CORRECT ANSWER Medulla Oblongota What hormone is secreted by posterior pituitary gland? - CORRECT ANSWER Antidiuretic Hormone What is associated with wound healing by PRIMARY intention? - CORRECT ANSWER Minimal Scar Tissue In wound healing, what plays a role in cleaning a wound of cellular debris? - CORRECT ANSWER Neutrophils, involves phagocytosis What is the result of sympathetic nervous system? - CORRECT ANSWER Increased cardiac output What occurs as a result of the release of anti-diuretic hormone? - CORRECT ANSWER Fluid volume in the body increases What pituitary hormone stimulates the process of gametogenesis? - CORRECT ANSWER Follicle
stimulating hormone Average length of female urethra? - CORRECT ANSWER 1 - 1.5 inches Correct Order of meningeal layers of brain from inside to outside? - CORRECT ANSWER Pia Mater(brain covering), Arachnoid (middle), Dura Mater (lines skull) What hormone or enzyme is involved in fluid balance and produced by kidneys? - CORRECT ANSWER Renin, which plays a role in fluid volume regulation and BP What part of nephron is closest to the collecting duct? - CORRECT ANSWER Distal Convoluted Tubule Blood pH is measured by gain/loss of what? - CORRECT ANSWER Hydrogen Ions Where are nutrients absorbed when transported into bloodstream? - CORRECT ANSWER Small Intestines, 3 functions, peristalsis, digestion, absorption. Small intestines transports nutrients to the liver or target cells where they are metabolized. What function is associated with dermal layer skin? - CORRECT ANSWER Collagen
What is the result of Meiosis? - CORRECT ANSWER Sperm/Ova produced Breastfeeding provides what immunity? - CORRECT ANSWER Natural Passive What ions is most abundant in extracellular fluid? - CORRECT ANSWER Sodium What occurs at the beginning of systole? - CORRECT ANSWER Ventricles contract Blood cells are produced where? - CORRECT ANSWER Red bone Marrow What structure is gastrointestinal system absorbs iron and bile salts? - CORRECT ANSWER Illeum What is a function of the liver? - CORRECT ANSWER Lipid metabolism Blood type that can only receive blood of same type? - CORRECT ANSWER Type O What hormone is produced by thyroid gland and is active
in calcium metabolism? - CORRECT ANSWER Calcitonin What mediates body's response to stress? - CORRECT ANSWER Cortisol A normal adult bladder has capacity to hold how many mL before involuntary micturition occurs? - CORRECT ANSWER 600 mL Testosterone is regulated in what gland? - CORRECT ANSWER Pituitary Gland Whats the effect of Aldosterone secretion on electrolyte levels? - CORRECT ANSWER Sodium levels INCREASE, Aldosterone is secreted when a drop in extracellular sodium occurs. The hormone effect on the kidneys causes to retain sodium and return to blood What does the respiratory system eliminate when there is excess hydrogen ions in the body? - CORRECT ANSWER Carbon Dioxide
What wax-like substance is secreted by glands in the external ear canal? - CORRECT ANSWER Cerumen What is responsible for regulation of body temperature? - CORRECT ANSWER Hypothalamus Production of what, is the function of the prostate gland? - CORRECT ANSWER Substance to enhance sperm motility What bone is a component of the appendicular skeleton? - CORRECT ANSWER Symphis pubis (shoulder girdle, upper extremeties, pelvis & lower extremities) What tissue connects bones to joints? - CORRECT ANSWER Ligaments What tissue connects muscle to bone? - CORRECT ANSWER Tendons What cardiac valve prevents blood from returning to the left ventricle of the heart? - CORRECT ANSWER Aortic Valve What's the role of platelets in homeostasis? - CORRECT ANSWER Formation of plugs What is the function of surfactant in the alveoli of the
lungs? - CORRECT ANSWER Prevention of alveoli collapse What describes the event of ovulation? - CORRECT ANSWER Graafian follicle releases an ovum What is involved in the destruction of ingested pathogens?
- CORRECT ANSWER Stomach acid When blood leaves the left ventricle, what does it enter next? - CORRECT ANSWER Aorta The release of histamine is associated with what? - CORRECT ANSWER Mast Cells, which triggers inflammatory response What is the measurement of percentage of red blood cells in whole blood? - CORRECT ANSWER Hematrocrit What is a structure of the inner ear? - CORRECT ANSWER Cochlea What's the function of Angiotensin II in the regulation of blood pressure? - CORRECT ANSWER Vasoconstriction, when BP falls too low, Angiotensin II causes "vasoconstriction" which causes an increase in BP In wound healing, what plays a role in cleaning a wound of cellular debris? - CORRECT ANSWER Neutrophils,
What hormone regulates urine output? - CORRECT ANSWER Anti-duretic from posterior pituitary to increase reabsorption of water & sodium from kidney's What is the function of the gallbladder? - CORRECT ANSWER Storage until released to aid in digestion What is the function of the ureters? - CORRECT ANSWER Urine from Kidney to Bladder
