A&P

1. How many lobes does the left human lung have?: Two lobes 2. Air (not food) pass in which one of the following areas A. Esophagus B. Nasopharynx C. Oropharynx D. Both A. and C.: B. Nasopharynx 3. Rings of cartilage line much of the respiratory tract. In which of one of the following would cartilage NOT be found? A. Trachea B. Larynx C. Bronchi D. Alveoli: D. Alveoli 4. True/false: during inhalation the diaphragm contracts to pull lungs open: - True 5. True/false: Negative pressure...

matter CORRECT ANSWERS: anything that occupies space and has mass mass CORRECT ANSWERS: the amount of the matter in an object weight CORRECT ANSWERS: the gravitational force on an object giving it mass element CORRECT ANSWERS: simplest type of matter atoms CORRECT ANSWERS: smallest unit of ordinary matter The four most abundant elements in the body: Oxygen CORRECT ANSWERS: 65% The four most abundant elements in the body: Carbon CORRECT ANSWERS: 18.5% The four most a...

What is the smallest level of organization in the body that contains the body's genetic information CORRECT ANSWERS: cellular Which of the following processes generate the most ATP within a human cell? CORRECT ANSWERS: Oxidativ phosphorylation Which is an example of positive feedback mechanism? CORRECT ANSWERS: stretching of the uterus near the end of pregnancy Which is the most superficial layer of skin that is composed of living cells? CORRECT ANSWERS: Stratum spinosum During ...

What is the smallest level of organization in the body that contains the body's genetic information? Select one: a. chemical b. cellular c. tissue d. organism CORRECT ANSWERS: B. Cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated blood pressure during exercise b. increase in heart rate after blood loss c. decrease in blood p...

When erythrocytes are destroyed, which of the following events occurs? CORRECT ANSWERS: The globin portion of the molecule is broken down into amino acids. Type AB blood CORRECT ANSWERS: has both A and B antigens on the red cells In the platelet release reaction, CORRECT ANSWERS: ADP and thromboxanes stimulate other platelets to become activated. The hematocrit is CORRECT ANSWERS: d. the percentage of RBCs in a given volume of blood. What vitamin is necessary to produce many clot...

Which is an example of a normally occurring positive-feedback mechanism? CORRECT ANSWERS: stretching of the uterus near the end of pregnancy Which of the following is the most widely distributed type of muscle in the body? CORRECT ANSWERS: Smooth A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged by trauma due to a large population of which type of cell? CORRECT ANSWERS: microglia During DNA replication, how does each template strand event...

Which of the following regions of the kidney is in contact with the fibrous capsule? correct answer: Renal cortex A major calyx is a component of which of the following anatomical structures? correct answer: Renal pelvis Where does the kidney filter the blood? correct answer: renal corpuscle What is the function of the renal pelvis? correct answer: Collects newly formed urine T/F: The medullary pyramids contain collecting tubules (ducts) that travel towards the renal cortex, carr...