(SNHU online) BIO205 HU(SNHU online) BIO205 HUMAN A & P I FINAL EXAM REVIEW Q & A 2024(SNHU online) BIO205 HUMAN A & P I FINAL EXAM REVIEW Q & A 2024(SNHU online) BIO205 HUMAN A & P I FINAL EXAM REVIEW Q & A 2024MAN A & P I FINAL EXAM REVIEW Q & A 2024
BIO 205 Human A & P I Final Exam Review Q & A 2024 1. Which hormone is primarily responsible for the regulation of plasma glucose levels? a. Insulin b. Glucagon c. Cortisol d. Epinephrine Answer: a. Insulin Rationale: Insulin, produced by the pancreas, is the hormone responsible for lowering blood glucose levels by facilitating the uptake of glucose into tissues. 2. The sinoatrial node is located in which heart chamber? a. Right atrium b. Left atrium c. Right ventricle d. Left ventricle Answer: a. Right atrium Rationale: The sinoatrial node, known as the heart's natural pacemaker, is located in the right atrium and initiates the electrical impulses that set the pace for cardiac rhythm. 3. What is the primary function of the lymphatic system? a. Digestion of fats b. Regulation of body temperature c. Maintenance of fluid balance d. Production of red blood cells Answer: c. Maintenance of fluid balance Rationale: The lymphatic system maintains fluid balance in the body by returning excess tissue fluid to the bloodstream and also plays a role in the immune response. 4. During inhalation, which muscle contracts to increase the volume of the thoracic cavity? a. External obliques b. Internal intercostals c. Diaphragm d. Rectus abdominis Answer: c. Diaphragm Rationale: The diaphragm contracts and moves downward during inhalation, increasing the volume of the thoracic cavity and allowing air to enter the lungs. 5. Osteoblasts are cells that are primarily involved in: a. Bone resor ption b. Bone formation c. Cartilage formation d. Muscle contraction Answer: b. Bone formation Rationale: Osteoblasts are specialized cells that synthesize and secrete the bone matrix, initiating the process of bone formation. 6. Which part of the brain is responsible for coordinating voluntary movements? a. Cerebellum b. Medulla oblongata c. Hypothalamus d. Frontal lobe Answer: a. Cerebellum Rationale: The cerebellum is the part of the brain that coordinates voluntary movements, including posture, balance, coordination, and speech. 7. The renal corpuscle is made up of which two structures? a. Renal pyramid and renal column b. Bowman' s capsule and glomerulus c. Proximal convoluted tubule and distal convoluted tubule d. Loop of Henle and collecting duct Answer: b. Bowman's capsule and glomerulus Rationale: The renal corpuscle consists of Bowman's capsule and the glomerulus, where the initial process of blood filtration occurs in the kidney. 8. Which type of cell is the primary target of HIV? a. Red blood cells b. Neutrophils c. CD4+ T lymphocytes
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