ATI Teas 7 Study Guide Practice Test 2 Questions and Answers 100% correct

ATI Teas 7 Study Guide Practice Test 2 Questions and AnswersWhat organelle functions with the smooth ER to process, package and transport a variety of synthesized products throughout the cell? A. Ribosome B. the golgi apparatus C. cilia D. mitochondria - correct answer The golgi apparatus Which is the major extracellular structure that provides protective and mechanical support to the outer layers of skin, hair and nails A. fibrillin B. collagen C. keratin D. melatonin - correct answer Keratin Which of the following pairs of terms correctly completes the statement below. In the male reproductive system __________ cells produce_________ A. tunica albuginea; primary spermatids B. Sertoli; follicle stimulating hormone (FSH) C. Spermatogonia; luteinizing hormone (LH) D. Leydig; testosterone - correct answer D. Leydig; testosterone Which of the following pairs of terms correctly completes the statement below? In humans, the ______joint has a greater range of motion than the_______joint A. elbow; knee B. sacroiliac; atlantoaxial C. elbow; shoulder D. knee; hip - correct answer elbow; knee What molecule is a component of cell membranes and precursor molecule for the synthesis of the steroid hormones, cortisol, aldosterone, progesterone, and the sex hormone testosterone and estrogen. A. lipoproteins B. triglycerides C. lipid D. cholesterol - correct answer D. Cholesterol Which of the following is the primary function of pulmonary surfactant A. prevention of ruptures of alveoli during maximal inspiratory effort B. prevention of collapse of alveoli during exhalation C. increased solubility of oxygen in solution between alveoli and capillary endothelium D. decreased viscosity of bronchiolar luminal mucous secretions. - correct answer B. prevention of collapse of alveoli during exhalation Which cavity is enclosed by the inner walls of the thorax, abdominal wall muscle, and the inner surface bones and associated bones of the pelvis A. abdominal/pelvic B. thoracic C. ventral D. dorsal - correct answer C. ventral Which layer of of the integumentary system has poor thermal conduction, thus acts as an insulator to protect against excessive heat transfer between the internal regions of the body and the external environment ? A. epidermis B. hypodermis C. dermis D. stratum corneum - correct answer B. hypodermis