Section III. Science
1. C. The pelvic cavity is a small space enclosed by the bones of the pelvis
that contains the urinary bladder, part of the
... [Show More] intestines, and the internal reproductive organs. See Lesson: Organization of the Human Body.
2. B. The midsagittal plane divides the body into two equal parts. See Lesson: Organization of the Human Body.
3. B. Homeostasis is the steady, optimal condition of a human body. See Lesson: Organization of the Human Body.
4. D. When a ventricular systole occurs, the ventricle is contracting. This is associated with the QRS complex on the electrocardiogram. See Lesson: Cardiovascular System.
5. D. As blood flows out of the right atrium into the right ventricle, the tricuspid valve prevents blood from flowing back into the right atrium. See Lesson: Cardiovascular System.
6. A. A problem with excessive bleeding and slow wound healing indicates the patient is having trouble with blood clotting. Platelets are needed to facilitate blood clotting. See Lesson: Cardiovascular System.
7. A. Intercellular chemical signals that bind to membrane-bound receptors produce rapid responses. See Lesson: Endocrine System.
8. D. Neurohormones are secreted by the nervous system. See Lesson: Endocrine System.
9. D. Specificity is the characteristic that causes chemical signals to connect only to the correct receptors. See Lesson: Endocrine System.
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Section IV. English and Language Usage
1. A. May. Months, days, and holidays need to be capitalized, and seasons do not need to be. See Lesson: Capitalization.
2. C. I go to bed early so I do not feel tired. There should be a comma before
so as it is a coordinating conjunction. See Lesson: Punctuation.
3. B. Business is the only correct spelling. See Lesson: Spelling.
4. D. Safely is an adverb that describes the verb traveled. See Lesson: Adjectives and Adverbs.
5. B. The is an article, not a conjunction. See Lesson: Conjunctions and Prepositions.
6. B. To make the word frog plural, simply add -s. See Lesson: Nouns.
7. C. Whom is a pronoun. See Lesson: Pronouns.
8. C. The subject is Mai and her friend Oksana, and the predicate is love to ride -
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