Practice Science TEAS Test

Practice Science TEAS Test Related

Review Practice Science TEAS Test related questions and content

Which of the following statements is correct based on anatomical terms?

  • A. The shoulder joint is proximal to the neck.
  • B. The elbow joint is superior to the shoulder.
  • C. The thoracic vertebrae are superior to the cervical vertebrae.
  • D. The thumb is on the lateral aspect of the hand.
Correct Answer: D

Rationale: Option D is the correct answer based on anatomical terms. The thumb is indeed located on the lateral aspect of the hand, following anatomical positioning. The terms 'proximal,' 'superior,' and 'inferior' are used in relation to the center of the body or a specific point of reference, while 'lateral' and 'medial' describe positions further away or closer to the midline of the body. Therefore, the thumb being on the lateral side of the hand is an accurate anatomical description. Choices A, B, and C are incorrect because they do not align with anatomical terminology. In anatomical terms, 'proximal' refers to a position closer to the center of the body, 'superior' indicates a position above or higher than another part, and 'inferior' signifies a position below or lower than another part. The shoulder joint is distal to the neck, the elbow is inferior to the shoulder, and the cervical vertebrae are superior to the thoracic vertebrae.

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Which cavity is primarily lined by the peritoneum?

  • A. Abdominal
  • B. Dorsal
  • C. Ventral
  • D. Thoracic
Correct Answer: A

Rationale: The correct answer is 'Abdominal.' The peritoneum primarily lines the abdominal cavity, providing support and protection to abdominal organs. It is a serous membrane that covers the abdominal organs and the abdominal wall, aiding in their function and protection. Choice B, 'Dorsal,' is incorrect because the peritoneum does not primarily line the dorsal cavity. Choice C, 'Ventral,' is incorrect as the peritoneum is not primarily associated with the ventral cavity. Choice D, 'Thoracic,' is incorrect because the peritoneum primarily lines the abdominal cavity and is not primarily found in the thoracic cavity.

Which hormone regulates the sleep-wake cycle?

  • A. Cortisol
  • B. Melatonin
  • C. Thyroxine
  • D. Insulin
Correct Answer: B

Rationale: The correct answer is B: Melatonin. Melatonin, produced by the pineal gland, is the hormone that regulates the sleep-wake cycle. It helps signal to the body when it's time to sleep and wake up, playing a crucial role in maintaining a healthy sleep pattern. Choice A, Cortisol, is known as the stress hormone and plays a role in the body's response to stress, not specifically in regulating the sleep-wake cycle. Choice C, Thyroxine, is a hormone produced by the thyroid gland that regulates metabolism, not the sleep-wake cycle. Choice D, Insulin, is a hormone produced by the pancreas that regulates blood sugar levels, not the sleep-wake cycle.

Which of the following correctly orders the layers of the epidermis from most superficial to deepest?

  • A. S. spinosum, S. basale, S. corneum, S. granulosum, S. lucidum
  • B. S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale
  • C. S. corneum, S. spinosum, S. basale, S. granulosum, S. lucidum
  • D. S. basale, S. spinosum, S. granulosum, S. lucidum, S. corneum
Correct Answer: B

Rationale: The correct order of the layers of the epidermis from most superficial to deepest is: Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, Stratum basale. Choice B, 'S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale,' provides the accurate layering from the outermost to the innermost layer of the epidermis. Choice A is incorrect as it starts with Stratum spinosum, which is not the most superficial layer. Choice C is incorrect as it places Stratum spinosum before Stratum basale. Choice D is incorrect as it starts with Stratum basale, which is the deepest layer of the epidermis.

Which of the following water-soluble vitamins is NOT synthesized in the large intestine?

  • A. B6
  • B. Biotin
  • C. Pantothenic acid (Vitamin B5)
  • D. Vitamin K
Correct Answer: A

Rationale: The correct answer is A: B6. Vitamin B6 is not synthesized in the large intestine, while biotin, pantothenic acid (Vitamin B5), and Vitamin K can be synthesized by gut microflora. Biotin, B5, and K are examples of water-soluble vitamins that can be produced in the large intestine, but B6 needs to be obtained through dietary sources. Therefore, B6 is the correct answer as it is not synthesized within the large intestine, unlike the other options.

Which part of the brain regulates body temperature, hunger, and thirst?

  • A. Cerebellum
  • B. Hypothalamus
  • C. Thalamus
  • D. Medulla oblongata
Correct Answer: B

Rationale: The correct answer is the Hypothalamus. The hypothalamus is a crucial part of the brain that regulates various essential functions to maintain homeostasis. It controls body temperature, hunger, thirst, and plays a key role in the autonomic nervous system. The cerebellum is primarily involved in coordinating movement and balance, the thalamus acts as a relay station for sensory information, and the medulla oblongata is responsible for vital functions like breathing and heart rate. Therefore, choices A, C, and D are incorrect as they do not govern the specific functions mentioned in the question.

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