Term
| What is the function of the respiratory system? |
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Definition
| Respiration involves pulmonary ventilation (breathing) and gas exchange |
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Term
| What is the function of surfactant? |
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Definition
| 0. surfactant prevents the alveoli from collapsing because it decreases the surface tension between the water molecules in the alveolar fluid |
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Term
| What is the function of alveoli? |
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Definition
| 0. Exchange oxygen in the air with carbon dioxide in the blood; provide a large surface for gas exchange. |
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Term
| What are alveolar walls composed of? |
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Definition
| Type 1 and type 2 cells which produce and secrete surfactant |
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Term
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Definition
| of pulmonary ventilation causes intrapulmonary pressure to be less than atmospheric pressure |
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Term
|
Definition
| of pulmonary ventilation causes intrapulmonary pressure to be greater than atmospheric pressure |
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Term
| When organic molecules are consumed, what process will catabolize these substances via enzymatic reactions? |
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Definition
|
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Term
| All of the statements about saliva are true, except: |
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Definition
| protein catabolism begins in the mouth due to enzymes present in saliva |
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Term
| Which enzyme is specific for triglyceride digestion? |
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Definition
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Term
| What stage of deglutition involves relaxation of the UES to allow the food bolus to enter the esophagus? |
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Definition
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Term
| What statement is FALSE regarding the small intestine? |
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Definition
| the enzymes secreted by the small intestine function to covert chyme into feces |
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Term
| The term metabolism is Best defined as |
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Definition
| biochemical reactions involved in building cell molecules or breaking down molecules for energy |
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Term
| The primary function of cellular respiration is to |
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Definition
| break down food molecules and generate ATP |
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Term
| Which hormone causes glucose to enter tissue cells during the absorptive state of metabolism? |
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Definition
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Term
| Which of the following will occur after ovulation? |
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Definition
| the endometrium prepares for implantation of a fertilized egg. |
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Term
| How are human egg and sperm similar? |
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Definition
| egg and sperm have the same number of chromosomes |
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Term
| Characteristics of the mature sperm include the |
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Definition
| presence of Y chromosomes in approximately half the sperm |
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Term
| The ability of sperm cells to move through the ductus (vas) deferens is due to |
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Definition
|
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Term
| What cells function to support and protect developing sperm cells? |
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Definition
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Term
| What hormone controls the release of hormones form the anterior pituitary? |
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Definition
| gonadotropin-releasing hormone (GnRH) |
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Term
| Which hormone is absolutely necessary for ovulation to occur? |
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Definition
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Term
| The structure that immediately receives the ovulated oocyte and provides a site for fertilization in the |
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Definition
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Term
| What event occurs during the postovulatory phase of the female reproductive cycle? |
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Definition
| Progesterone levels rise due to development of the corpus luteum. |
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Term
| What tissue layer of the uterus functions to contract during childbirth to expel the fetes from the body |
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Definition
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Term
| leads to the development of a morula and then a blastocyst |
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Definition
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Term
|
Definition
| embedding of the blastocyst in the endometrium |
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Term
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Definition
| leads to the formation of the first cell of the new individual |
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Term
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Definition
| leads to the establishment of the ectoderm, mesoderm and endodermis the embryo |
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Term
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Definition
| enhances sperm motility and increases membrane fragility to allow enzyme release from acrosomes. |
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Term
| What specific substances can be exchanged between the mother and fetus via the placenta? |
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Definition
| nutrients, respiratory gases, wastes and alcohol |
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