Anatomy and Physiology ATI Practice A&B 100% Correct Answers

Which of the following actions is the stimulus for defecation? - ANS Stretching of the muscles of the rectum In the process of wound healing, which of the following plays a role in clearing a wound of cellular debris? - ANS neutrophils Which of the following glands is responsible for temperature regulation? - ANS eccrine glands Which of the following structures contain collagen and elastin as major proteins? - ANS Dermis Which of the following is a site of sperm maturation in the male reproductive system? - ANS epididymis Which of the following structures is involved in the development of the immune response in a newborn? - ANS thymus gland Which of the following is the function of surfactant in the alveoli of the lungs? - ANS Prevention of alveoli collapse Which of the following does the respiratory system elimination when there is an excess of hydrogen ions in the body - ANS Carbon dioxide Which of the following is a major function of the frontal lobe? - ANS motor function Which of the following structures will ensure the rapid spread of an impulse and synchronous contractions of ventricular muscle? - ANS Purkinje fibers Which type of fluid makes up the largest distribution of total body water? - ANS intracellular fluids Which of the following parts of the brain regulates heart rate, respiratory rate, and blood pressure? - ANS medulla oblongata Which of the following cardiac valves prevents blood from returning to the left ventricle of the heart? - ANS aortic Which of the following structures comes immediately after the ascending colon? - ANS Transverse colon Which of the following hormones controls the milk ejection during lactation? - ANS Oxytocin In which of the following organelles does cellular respiration take place? - ANS mitochondria An individual with which of the following blood types can receive only blood of that same type - ANS Type O Which of the following structures of the GI system absorbs vitamin b12 and bile salts? - ANS Ileum Which of the following is a role of platelets in hemostasis? - ANS Formation of plugs Which of the following is the main function of the pancreas? - ANS regulates glucose levels Which of the following are examples of connective tissue? - ANS cartilage and adipose Which of the following types of muscle tissue is under voluntary control - ANS skeletal Testosterone production is regulated by which of the following glands? - ANS pituitary Which of the following terms identifies the volume of air that enters the lungs during quiet breathing? - ANS tidal volume Which of the following is a result of meiosis? - ANS sperm and ova are produced Which of the following is responsible for the regulation of body temperature? - ANS hypothalamus Which of the following types of cells is primarily responsible for the destruction of old cells and invasive microorganisms? - ANS macrophages Which of the following effect is expected when renin is released from the kidney? - ANS When blood pressure is low, the kidneys synthesize and release renin. Renin stimulates hormone reactions that will raise blood pressure by causing widespread vasoconstriction. Which of the following describes the path air follows on the way to the lungs? - ANS nasopharynx, oropharynx, laryngopharynx Which of the following is associated with the release of histamine? - ANS mast cells The femur and the humerus belong to which of the following categories? - ANS long bones Which of the following actions take place during atrial systole? - ANS The cardiac muscle in the atrial wall contracts, forcing blood through the atrioventricular valves and into the ventricles Which of the following sensors will respond immediately as a result of hemorrhage ? - ANS baroreceptors Which of the following body functions is stimulated by the somatic nervous system? - ANS skeletal muscle movement Which of the following vessels returns blood to the left atrium? - ANS pulmonary veins Calcium concentration in the blood is controlled by which of the following glands? - ANS parathyroid Which of the following tissues is defined by its ability to increase tension and contract? - ANS muscle Which part of the nephron is closest to the collecting duct? - ANS distal convoluted tubule