Homeostasis and Feedback Mechanisms

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What is the primary mechanism of homeostasis?

Anatomical response

Homeostatic regulation

Negative feedback (correct)

Positive feedback

Which of the following is an example of positive feedback?

Regulation of body temperature

Maintaining blood pressure

Control of blood sugar by insulin

Blood clotting (correct)

What is the name of the cavity that surrounds the heart?

Thoracic cavity

Pericardial cavity (correct)

Pleural cavity

Peritoneal cavity

Which of the following organs is NOT located in the abdominal cavity?

Thymus Signup and view all the answers

What is the name of the membrane that lines the peritoneal cavity?

Peritoneum Signup and view all the answers

What is the name of the portion of the abdominopelvic cavity that is located superior to the pelvis?

Superior abdominal cavity Signup and view all the answers

What is the primary function of areolar connective tissue?

To cushion and support organs Signup and view all the answers

What is the main difference between exocrine and endocrine glands?

The mechanism of secretion release by the glands Signup and view all the answers

Which type of muscle tissue is characterized by being long, cylindrical, striated, and multinucleated?

Skeletal muscle Signup and view all the answers

What is the primary function of adipose connective tissue?

To store energy Signup and view all the answers

Which type of epithelium is found in the lining of the anus and mammary glands?

Simple columnar Signup and view all the answers

What is the main difference between dense regular and dense irregular connective tissue?

The arrangement of collagen fibers Signup and view all the answers

Which of the following bones is associated with the Coronal suture?

Frontal bone Signup and view all the answers

What is the name of the process that forms the inferior attachment of the sternocleidomastoid muscle?

Mastoid process Signup and view all the answers

Which of the following foramina is responsible for the transmission of the spinal cord?

Foramen magnum Signup and view all the answers

Which of the following bones is characterized by the presence of the hypophyseal fossa?

Sphenoid bone Signup and view all the answers

Which of the following is NOT a type of rib?

Fixed rib Signup and view all the answers

What is the name of the bone that forms the lower jaw?

Mandible Signup and view all the answers

What is the name of the bony prominence present on the ulna?

Olecranon process Signup and view all the answers

Which of the following structures is common to all pelvic bones?

Acetabulum Signup and view all the answers

What is the name of the groove on the femur where the strong muscle tendons attach?

Linea aspera Signup and view all the answers

What is the term for the contraction of a muscle fiber in which the muscle fiber shortens?

Isotonic contraction Signup and view all the answers

What is the term for the basic functional unit of muscle contraction?

Motor unit Signup and view all the answers

What is the term for the muscle contraction in which the muscle fiber does not shorten, but generates tension?

Isometric contraction Signup and view all the answers

What is the primary function of gustation receptors?

To detect chemical molecules in food Signup and view all the answers

Which hormone is involved in regulating the concentration of calcium in the blood?

Parathyroid hormone Signup and view all the answers

What is the term for the process by which the hypothalamus influences the action of the pituitary gland?

Hypothalamic-pituitary axis Signup and view all the answers

Which of the following hormones is involved in the 'fight or flight' response?

Epinephrine Signup and view all the answers

What is the term for the balance system that helps us maintain our posture and balance?

Vestibular system Signup and view all the answers

What is the result of hypersecretion of the hormone thyroxine?

Hyperthyroidism Signup and view all the answers