DCCC BIO 150 Practice test 1 Answered 100% Correctly| Latest 2026

DCCC BIO 150 Practice test 1 Answered 100% Correctly| Latest 2026 1. If you consider your home air conditioner in terms of homeostasis then thewall thermostat (where you "set" the temperature) would be the: A) control center B) receptor C) effector D) variable A)Control Center 2. The purpose of negative feedback is ________. A) to control all levels of the body's systems B) to prevent sudden and severe changes within the body C) to keep the body's sugar levels low D) to regulate antibody levels B) to prevent sudden and severe changes within the body 3. The heart lies in the ________ . A) thoracic cavity B) pleural cavity C) abdominopelvic cavity D) none of these A) thoracic cavity 4. A structure that is composed of two or more tissues would be ________. A) tissue B) organ system C) organ D) cell C) organ 5. The anatomical position is characterized by all of the following except________. A) body erect B) arms at sides C) palms turned posteriorly (thumbs would be pointing medially) D) thumbs pointed laterally C) palms turned posteriorly (thumbs would be pointing medially) 6. _______ are "bubbles" used to transport things around inside a cell.a) mitochondria b) vesicles c) Golgi c) RER b) vesicles 7. In what cavity would you find the urinary bladder? Choose the mostaccurate answer. A) thoracic b) pelvic. c) abdominopelvic. d) Pleural b) pelvic 8. The ____________ system includes organs such as the pancreas andthyroid that secrete hormones. These hormones regulate growthprocesses and nutrient usage by body cells. a) urinary b) reproductive c) lymphatic d) endocrine d) endocrine 9. The nurse charted: "Client has an open wound located on poplitealregion." Describe where the wound is located on the leg. a) Shoulder b) hip c) back of knee d) back c) back of knee 10. Which of the following is the powerhouse of the cell (obtains energy from food)? A. lysosome B. mitochondrion C. vacuole D. Golgi bodies B. mitochondrion 11. A phospholipid is usually ________. A) partially hydrophobic and partially hydrophilic B) hydrophobic only C) hydrophilic only D) neither hydrophobic nor hydrophilic A) partially hydrophobic and partially hydrophilic 12. The diffusion of water across a permeable membrane is called: A. denaturation B. osmosis C. dispersion D. dissociation B. osmosis 13. Which of the following would be regarded as an organic molecule? A) H2O B) NaCl C) NaOH D) CH4 D) CH4 14. Carbohydrates and proteins (macromolecules) are built up from their basicbuilding blocks by the ________. A) addition of a water molecule between each two units. B) addition of a carbon atom between each two units. C) removal of a water molecule between each two units. D) removal of a nitrogen atom between each two units