ATI TEAS 7
TEAS 7 practice test free science
1. Cartilage, a type of connective tissue, provides flexible support in various structures. Which of these structures does NOT contain cartilage?
- A. Ears
- B. Joints
- C. Muscles
- D. Nose
Correct answer: C
Rationale: Cartilage is a type of connective tissue that provides flexible support in various structures. Ears, joints, and the nose all contain cartilage. Muscles, however, are made up of muscle tissue, not cartilage. Therefore, muscles do not contain cartilage. Choice A, ears, choice B, joints, and choice D, nose, are incorrect as they all contain cartilage. Choice C, muscles, is the correct answer as muscles are not composed of cartilage.
2. Which fibrous connective tissue connects a muscle to a bone, allowing movement at a joint?
- A. Tendon
- B. Ligament
- C. Cartilage
- D. Bursa
Correct answer: A
Rationale: Tendons, the correct answer, are fibrous connective tissues that connect muscles to bones, enabling movement at joints. They play a crucial role in transmitting the force generated by muscles to the bones, facilitating movement. Ligaments (option B) connect bone to bone, providing stability to joints. Cartilage (option C) is a flexible tissue that acts as a cushion, reducing friction between bones in joints. Bursae (option D) are fluid-filled sacs located near joints that help reduce friction between tissues such as tendons and bones.
3. Which structure controls the hormones secreted by the pituitary gland?
- A. Hypothalamus
- B. Adrenal gland
- C. Testes
- D. Pancreas
Correct answer: A
Rationale: The correct answer is A: Hypothalamus. The hypothalamus controls the release of hormones from the pituitary gland. It acts as a master regulator of the endocrine system by producing releasing and inhibiting hormones that influence the secretion of hormones from the pituitary gland. Choice B, the Adrenal gland, is incorrect because while it plays a role in hormone production, it is not responsible for controlling the pituitary gland's hormones. Choice C, the Testes, and Choice D, the Pancreas, are also incorrect as they are not directly involved in controlling the hormones secreted by the pituitary gland.
4. Which type of muscle is found in the walls of hollow organs, such as the stomach and intestines, and is responsible for involuntary contractions to propel substances through the organs?
- A. Cardiac muscle
- B. Smooth muscle
- C. Skeletal muscle
- D. Striated muscle
Correct answer: B
Rationale: Smooth muscle is the correct answer. It is found in the walls of hollow organs like the stomach and intestines, where it performs involuntary contractions to move substances through these organs. Cardiac muscle, found in the heart, is responsible for pumping blood. Skeletal muscle is attached to bones and involved in voluntary movements. Striated muscle is a term often used interchangeably with skeletal muscle, which is responsible for voluntary movements but not typically found in the walls of hollow organs like the stomach and intestines.
5. What is the scientific term for the monthly cycle in females that prepares the body for potential pregnancy?
- A. Ovulation cycle
- B. Menstrual cycle
- C. Implantation cycle
- D. Gestation cycle
Correct answer: B
Rationale: The correct answer is B: Menstrual cycle. The menstrual cycle is the scientific term for the monthly cycle in females that prepares the body for potential pregnancy. This cycle involves various phases, including the release of an egg from the ovary (ovulation), thickening of the uterine lining in preparation for a fertilized egg, and shedding of the uterine lining if pregnancy does not occur (menstruation). Choices A, C, and D are incorrect. Option A, Ovulation cycle, only refers to the specific phase of egg release from the ovary. Option C, Implantation cycle, pertains to the process of the fertilized egg attaching to the uterine wall. Option D, Gestation cycle, denotes the period of fetal development during pregnancy, which is distinct from the monthly cycle preparing the body for potential pregnancy.
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