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Yunuen Chavez set 2
Wks 7-13
| Question | Answer |
|---|---|
| The fastest nerve fibers in the body can conduct impulses up to approximately ____ meters per second | 130 |
| A synaptic knob would be located on a(n) | axon |
| Neurotransmitters are released in a synapse and bind to | receptors on the postsynaptic neuron |
| severe depression can be caused by a deficit in certain brain synapses of: | amines |
| The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
| A mixed nerve is one that: | carries both sensory and motor fibers |
| What are the neurotransmitters in a somatic motor pathway? | Acetylcholine |
| Which of the following is not associated with the oculomotor nerve? a. movement of external eye muscles b. closing and opening of the eye (blink reflex) c. movement of intrinsic eye muscles d. proprioception of eye muscles | d. proprioception of eye muscles |
| The part of the brain that assists in the maintenance of balance is the: | cerebellum |
| All of the following CN are involved in proprioception except the: a. Vagus b. Hypoglossal c. Accessory d. Abducens | a. Vagus |
| Visceroreceptors are located in which of the following? a. Skin b. Tendons c. Internal organs d. Skeletal muscles | c. Internal organs |
| The major hormone produced by the corpus luteum is: | progesterone |
| One of the few hormones that functions on a positive feedback loop is: | Oxytocin |
| The chemoreceptors in the carotid bodies are particularly sensitive to: | Hypercapnia |
| The term blood type refers to the type of blood cell: a. Antibody b. Antigen c. Transfusion reaction | b. Antigen |
| The heart begins beating in the fetus at about what stage of development? | After about 4 weeks |
| The function of which antibody is basically unknown? | IgD |
| The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called: | self-tolerance |
| The ingestion and destruction of microorganisms or other small particles is called: | Phagocytosis |
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? a. Cytotoxin b. Phagotoxin c. Lymphotoxin d. Granulotoxin | c. Lymphotoxin |
| During inspiration, the expansion of the lungs causes: | a decrease in alveolar pressure |
| The approx. partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg | 160 |
| Gas exchange, the lungs' main and vital function, takes place in the: | alveoli |
| About 98.5% of the oxygen carried by systemic arterial blood is attached to: | hemoglobin |
| 100 mL of arterial blood contain approx what volume percent of oxygen? | 20% |
| Standard atmospheric pressure is ____ mm Hg | 760 |
| Which of these is not an example of mechanical digestion? a. Moistening the food b. Changing food from large to small particles c. propelling food through the digestive tract d. All of the above | a. Moistening the food |
| Which of the following is a disaccharide? a. glucose b. starch c. sucrose d. glycogen | c. sucrose |
| An end product of fat digestion is: | glycerol |
| The purpose of peristalsis is to: | propel food forward along the GI tract |
| The major site for the absorption of the end products of digestion is the: | small intestine |
| Cellulose is a residue of digestion that comes from: | carbohydrates |
| The final product of carbohydrate digestion is a: | monosaccharide |
| Hydrolysis refers to: | using water to split larger compounds into smaller ones |
| The enzyme pepsin begins the digestion of: | protein |
| Which step of deglutition is under voluntary control? | oral stage |
Created by:
Yunuenchavez
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