ATI TEAS 7
Practice Science TEAS Test Questions
Question 1 of 5
Which of the following structures in the skin is responsible for producing sweat?
Correct Answer: B
Rationale: The correct answer is B: Sudoriferous gland. Sudoriferous glands, also known as sweat glands, are responsible for producing sweat to regulate body temperature. They are distributed throughout the skin and play a vital role in maintaining homeostasis. Sebaceous glands (A) produce sebum, hair follicles (C) are responsible for hair growth, and melanocytes (D) produce melanin for skin pigmentation. Therefore, B is the correct choice as it directly relates to sweat production in the skin.
Question 2 of 5
Which of the following is responsible for maintaining the body's circadian rhythm?
Correct Answer: B
Rationale: The correct answer is B: Pineal gland. The pineal gland secretes the hormone melatonin, which plays a crucial role in regulating the body's circadian rhythm. Melatonin helps control the sleep-wake cycle, making it responsible for maintaining the body's internal clock. The other choices are incorrect because the thyroid gland regulates metabolism (A), the pancreas regulates blood sugar levels (C), and the hypothalamus controls various bodily functions but is not directly responsible for maintaining the circadian rhythm (D).
Question 3 of 5
What type of joint connects the bones of the skull?
Correct Answer: B
Rationale: The correct answer is B: Fibrous joint. Fibrous joints are immovable joints that connect bones with dense fibrous connective tissue. In the skull, the bones are joined by fibrous sutures, which provide stability and protect the brain. Hinge joints (A) allow movement in one direction, not present in the skull. Ball-and-socket joints (C) allow for a wide range of motion, not fitting the immovable nature of skull joints. Pivot joints (D) allow rotation, which is not a characteristic of skull joints. Therefore, the fibrous joint is the correct type of joint that connects the bones of the skull.
Question 4 of 5
Which of the following types of muscles is found in the walls of hollow organs?
Correct Answer: B
Rationale: The correct answer is B: Smooth muscles. Smooth muscles are found in the walls of hollow organs like the stomach, intestines, and blood vessels. They are involuntary muscles responsible for the contraction and relaxation of these organs to facilitate processes like digestion and blood flow. Cardiac muscles (choice A) are found in the heart, skeletal muscles (choice C) are attached to bones for movement, and voluntary muscles (choice D) refer to muscles under conscious control, which can be either skeletal or cardiac but not typically found in the walls of hollow organs.
Question 5 of 5
Which of the following joints is an example of a hinge joint?
Correct Answer: B
Rationale: The correct answer is B: Elbow joint. A hinge joint allows movement in one direction, similar to a door hinge. The elbow joint only allows flexion and extension, making it a classic example of a hinge joint. The hip joint (A) and shoulder joint (C) are examples of ball-and-socket joints, allowing a wider range of motion in multiple directions. The knee joint (D) is a modified hinge joint, allowing flexion and extension as well as slight rotation, but it is not a typical hinge joint due to its additional movements.
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