ATI TEAS 7 SCIENCE PART B WITH COMPLETE VERIFIED SOLUTIONS ALREADY GRADED A+

Regulate function of male and female reproductive systems, are both produced in a synchronized manner by the anterior pituitary gland. FSH (follicle-stimulating hormone) LH ( luteinizing hormone) What hormone is is primarily involved in the maturation of sperm and ovum (follicles)? FSH 7 Best UK Staycations for Your Next Caravan Holiday What hormone stimulates ovulation and production of testerone? LH Which of the following comparisons between arteries and veins is TRUE? Veins have valves, and arteries do not. Veins have thick, muscular walls, while arteries have thin, more compliant walls. Veins have a smaller diameter than arteries. Veins carry freshly oxygenated blood from tissue back to the heart, while arteries carry oxygen-depleted blood away from the heart. Veins have valves, and arteries do not. Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin? Hypothalamus Pituitary Pineal Adrenal Pineal What hormones do adrenal glands produce? cortisol and aldosterone Which of the following is the basic contractile unit of the skeletal muscle? Sarcolemma Sarcoplasmic Reticulum Sarcomere Z-disc Sarcomere The basic contractile unit of the skeletal muscle made of thin and thick filaments. sarcomere The cell membrane of the muscle fiber Sarcolemma The smooth endoplasmic reticulum that stores calcium for muscle contraction. sarcoplasmic reticulum The boundary of each sarcomere. Z-disc Gas exchange between the blood and alveoli would be enhanced by ______________, but impeded by __________________. * decreased membrane thickness; increased alveolar surface area * increased tidal volume; decreased membrane thickness * increased alveolar surface area; increased membrane thickness * decreased respiratory rate; increased tidal volume increased alveolar surface area; increased membrane thickness Which of the following is true of insulin and glucagon? Please select all that apply. * Secretion of insulin and glucagon is regulated by the pituitary gland. * Insulin and glucagon have opposite effects on blood calcium levels but work together to maintain homeostasis. * The pancreas secretes insulin and glucagon. * Insulin and glucagon regulate the level of calcium in the blood. * Insulin and glucagon regulate the level of glucose in the blood. * Insulin and glucagon have opposite effects on blood glucose but work together to maintain homeostasis. * The pancreas secretes insulin and glucagon. * Insulin and glucagon regulate the level of glucose in the blood. * Insulin and glucagon have opposite effects on blood glucose but work together to maintain homeostasis. The majority of nutrient absorption occurs in the _________________. small intestine Match the following structures to their function. Drag and drop tiles in the appropriate box. Sort elements Penis Vagina Vas deferens Uterus Sperm channel from the epididymis to the penis External sex organ of a male Copulatory organ of the female Implantation site of a zygote Sperm channel from the epididymis to the penis-Vas deferens Copulatory organ of the female -Vagina External sex organ of a male-Penis Implantation site of a zygote- Uterus Which of the following causes bone matrix resorption during bone growth and remodeling? Osteons Osteoclasts Osteocytes Osteoblasts Osteoclasts What are the resident macrophages of the bones, which are essential for bone matrix resorption during bone growth and remodeling. Osteoclasts What are the cells responsible for bone matrix synthesis and calcification, while osteocytes are responsible for maintenance of calcified bone matrix. Osteoblasts What are the structural unit of compact bone characterized by concentric bone layers surrounding a central canal. Osteons