Nokea
The cheekbones are positioned ___________ to the nose.
- A. anterior
- B. proximal
- C. deep
- D. lateral
Correct Answer: D
Rationale: The term 'lateral' refers to the direction away from the midline of the body. In this case, the cheekbones are situated to the sides of the nose, making them lateral to the nose. Therefore, 'lateral' correctly describes the position of the cheekbones in relation to the nose. Choices A, B, and C are incorrect:
A. 'Anterior' means situated at or towards the front, which is not the correct description of the cheekbones in relation to the nose.
B. 'Proximal' means situated nearer to the center of the body, which is not the correct description of the cheekbones' position in relation to the nose.
C. 'Deep' refers to being situated further away from the surface, which is not the appropriate term to describe the cheekbones' position in relation to the nose.
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The epidermis is classified as which of the following?
- A. Cell
- B. Tissue
- C. Organ
- D. System
Correct Answer: B
Rationale: The epidermis is classified as a tissue, more specifically as a layer of cells that form the outermost part of the skin. It is composed of multiple layers of cells that protect underlying tissues and regulate various functions related to the skin. Choice A, Cell, is incorrect because the epidermis is not just a single cell but rather a collection of cells. Choice C, Organ, is incorrect because the epidermis is not an organ on its own but rather a part of an organ, the skin. Choice D, System, is incorrect because the epidermis is not a system but rather a component of the integumentary system.
Which feature of the ear is most medial?
- A. Pinna
- B. Tympanic membrane
- C. Cochlea
- D. Outer canal
Correct Answer: B
Rationale: The tympanic membrane, also known as the eardrum, is the most medial feature in the ear. It separates the outer ear from the middle ear and serves as a barrier that vibrates in response to sound waves, transmitting vibrations to the middle ear ossicles. The pinna, cochlea, and outer canal are located more laterally in the ear anatomy. The pinna is the visible part of the ear located on the lateral side of the head, the cochlea is a spiral-shaped structure in the inner ear responsible for hearing, and the outer canal refers to the external auditory canal leading to the eardrum.
Which mineral supports the function of the thyroid?
- A. Manganese
- B. Iodine
- C. Phosphorus
- D. Zinc
Correct Answer: B
Rationale: Iodine is the mineral that supports the function of the thyroid. The thyroid gland requires iodine to produce thyroid hormones, which are essential for regulating metabolism and other important bodily functions. A deficiency in iodine can lead to thyroid disorders such as hypothyroidism or goiter. Manganese (Choice A), Phosphorus (Choice C), and Zinc (Choice D) do not play a direct role in supporting the thyroid function like iodine does. While these minerals are important for various bodily functions, they are not specifically required for the thyroid gland's hormone production.
What are muscle contractions that normally move food along the human digestive system known as?
- A. defecation
- B. osmosis
- C. peristalsis
- D. circulation
Correct Answer: C
Rationale: Muscle contractions that move food along the human digestive system are known as peristalsis. Peristalsis consists of a series of coordinated muscular contractions and relaxations that help propel food through the esophagus, stomach, and intestines, facilitating efficient digestion and nutrient absorption. Defecation refers to expelling waste from the body, osmosis is the movement of water across a membrane, and circulation relates to the movement of blood in the body's circulatory system, not directly involved in food transportation along the digestive tract.
Which of the following are considered normal values for the measure of a person's pulse and blood pressure?
- A. 55 beats per minute and 75 over 60 mm Hg
- B. 72 beats per minute and 120 over 80 mm Hg
- C. 100 beats per minute and 140 over 100 mm Hg
- D. 160 beats per minute and 100 over 70 mm Hg
Correct Answer: B
Rationale: Normal values for pulse rate typically range between 60 to 100 beats per minute, while normal blood pressure values are usually around 120/80 mm Hg. Option B falls within these normal ranges for both pulse rate and blood pressure, making it the correct choice. Choices A, C, and D have either pulse rate, blood pressure, or both values outside the normal ranges, making them incorrect.